RepoSequence#retryerBuilder: remove unnecessary cast

Forward-Compatible: checked
Release-Notes: skip
Change-Id: I64fbcd7ba4a2a1da8c83ce1b7fcede28b4b5b75f

java/com/google/gerrit/server/notedb/RepoSequence.java

diff --git a/java/com/google/gerrit/server/notedb/RepoSequence.java b/java/com/google/gerrit/server/notedb/RepoSequence.java
index 033a53f..8369a35 100644
--- a/java/com/google/gerrit/server/notedb/RepoSequence.java
+++ b/java/com/google/gerrit/server/notedb/RepoSequence.java
@@ -178,9 +178,7 @@
   static RetryerBuilder<ImmutableList<Integer>> retryerBuilder() {
     return RetryerBuilder.<ImmutableList<Integer>>newBuilder()
         .retryIfException(
-            t ->
-                t instanceof StorageException
-                    && ((StorageException) t).getCause() instanceof LockFailureException)
+            t -> t instanceof StorageException && t.getCause() instanceof LockFailureException)
         .withWaitStrategy(
             WaitStrategies.join(
                 WaitStrategies.exponentialWait(5, TimeUnit.SECONDS),